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Thread: Kenmore F4 code Oven/Stove

  1. #1

    Default Kenmore F4 code Oven/Stove

    Hi,
    My Kenmore oven through a F4 error code last night so now the oven will not come on but the cook top range works properly. I did a little research and have come up with the oven sensor is bad. My model number is 911.95955590 which I believe was made by Roper. So far I have done the following thinking it is a bad sensor.

    1) Removed sensor and measured 1075 ohms (which is in a good range)
    2) Put Sensor in the toaster oven and verified the resistance value was
    increasing.
    3) Re installed sensor and measured the resistance at the connection, still is
    1075.
    4) Connect power to unit and now the resistance measures an open but if I
    switch leads on my ohm meter it measures -890 ohms

    Is this still considered a bad sensor or could it be something in the control unit.

    Thanks in Advance,
    Sterling

  2. #2

    Default

    Hi,

    My model number is 911.95955590 which I believe was made by Roper
    Yupper....with GE parts.

    My Kenmore oven through a F4 error code
    A copy:

    F3 - F4
    Open oven temperature sensor (circuit) (over 2700 ohms) or, shorted oven temperature sensor. Could be a result of:
    contamination on terminals
    pinched wire in oven temperature sensor circuit
    cold solder joint on control.

    Disconnect power to range and remove oven temperature sensor connector from control.
    Measure oven temperature sensor resistance at oven temperature sensor connector (take care not to damage terminals in block) - Should read 1100 ohms at room temperature (approx 72 degrees F).
    Measure each oven temperature sensor lead from connector block to ground. If shorted, look for pinched or cut wire in oven temperature sensor circuit.
    Check connector terminals - Look for deformed or corrosion on terminals, Repair or replace.
    If all above is ok replace control.

    Oven sensor can go "funny" when heated...because it is cheaper we often try that first and the leads to and from the sensor...but some do go to a bad control.


    Oven sensor assembly

    jeff.
    Appliance Repair Aid
    www.applianceaid.com
    JRAppliance
    www.jrappliance.ca

  3. #3

    Default

    Jeff,
    Thanks for the response. So what I did notice is that I followed the wires from the temperature sensor connection to the Display unit where the 2 wires led to on a 5 or 6 pin connector. I disconnected the connector and measured from the 2 pins on the board to ground and one of them read 1.1 K ohm. Does this mean there is a short in the main board?

    Thanks,
    Sterling

  4. #4

    Default

    G'day,

    Sounds possible yes

    jeff.
    Appliance Repair Aid
    www.applianceaid.com
    JRAppliance
    www.jrappliance.ca

  5. #5

    Default

    Jeff,
    Do you know where I could find a schematic for the ERC. I started tracing the pin for the thermostat connector and it looks like it is suppose to be connected to ground with a resistor in between but I can't be positive.

    Thanks,
    Sterling

  6. #6

    Default

    Do you know where I could find a schematic for the ERC
    From the manufacture of the clock/control....but don't hold your breathe!

    Maybe one of the clock/control repair companies would have something....
    http://www.applianceaid.com/timer_repairs.html

    Appliance manufactures ( GE, Frigidaire, Maytag, etc ) will not have one.

    jeff.
    Appliance Repair Aid
    www.applianceaid.com
    JRAppliance
    www.jrappliance.ca

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